253357087 has 4 divisors (see below), whose sum is σ = 254292256. Its totient is φ = 252421920.

The previous prime is 253357073. The next prime is 253357109. The reversal of 253357087 is 780753352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253357087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253357007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467178 + ... + 467719.

It is an arithmetic number, because the mean of its divisors is an integer number (63573064).

Almost surely, 2^253357087 is an apocalyptic number.

253357087 is a deficient number, since it is larger than the sum of its proper divisors (935169).

253357087 is an equidigital number, since it uses as much as digits as its factorization.

253357087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935168.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 253357087 is about 15917.1946963025. The cubic root of 253357087 is about 632.7677730115.

The spelling of 253357087 in words is "two hundred fifty-three million, three hundred fifty-seven thousand, eighty-seven".